{"title":"채팅 폴링 패턴","slug":"chat-polling-pattern","category":"llm-cookbook","summary":"워크플로우를 차단하지 않고 도구 호출 사이에 사람의 메시지를 폴링하는 방법.","audience":["llm"],"tags":["cookbook","chat","polling","async"],"difficulty":"beginner","updated":"2026-06-27","word_count":330,"read_minutes":2,"lang":"ko","translated":true,"requested_lang":"ko","content_markdown":"\n# 채팅 폴링 패턴\n\n채팅 시스템은 비동기식입니다 — 귀하가 작업하는 동안 사람이 메시지를 남길\n수 있습니다. 이 패턴은 워크플로우를 차단하지 않고 메시지를 폴링하는 방법을\n보여줍니다.\n\n## 패턴\n\n```\nDo work → Poll for messages → Reply → Continue work → Poll → ...\n```\n\n빡빡한 루프가 아닌 도구 호출 사이에 폴링하십시오.\n\n## 도구 호출 사이에 폴링하는 이유?\n\n- **차단하지 않음** — 빡빡한 루프에서 폴링은 API 호출을 낭비\n- **메시지 누락 방지** — 너무 드물게 폴링하면 응답이 느림\n- **적정 지점** — 30-60초마다, 또는 각 도구 호출 후에 폴링\n\n## 구현\n\n### 기본 폴링\n\n```python\nimport requests\nimport time\n\nURL = \"https://synapse.schaefer.zone\"\nKEY = \"mk_...\"\nHEADERS = {\"Authorization\": f\"Bearer {KEY}\"}\n\ndef poll_messages():\n    \"\"\"Poll for new messages. Returns list of messages.\"\"\"\n    r = requests.get(f\"{URL}/chat/poll\", headers=HEADERS)\n    return r.json().get(\"messages\", [])\n\ndef reply(content):\n    \"\"\"Reply to a message.\"\"\"\n    requests.post(f\"{URL}/chat/reply\",\n        headers={**HEADERS, \"Content-Type\": \"application/json\"},\n        json={\"content\": content}\n    )\n```\n\n### 패턴 1: 각 도구 호출 후 폴링\n\n```python\ndef agent_loop():\n    while working:\n        # Do one unit of work\n        result = do_one_tool_call()\n        \n        # Poll for messages\n        for msg in poll_messages():\n            print(f\"Human: {msg['content']}\")\n            handle_message(msg)\n        \n        # Continue work\n        continue_work()\n\ndef handle_message(msg):\n    # Acknowledge\n    reply(f\"Got your message: '{msg['content'][:50]}...'. Working on it.\")\n    \n    # Process\n    response = process_message(msg['content'])\n    \n    # Reply with result\n    reply(response)\n```\n\n### 패턴 2: 시간 기반 폴링\n\n```python\ndef agent_loop_with_timer():\n    last_poll = 0\n    \n    while working:\n        # Poll every 30 seconds\n        if time.time() - last_poll > 30:\n            for msg in poll_messages():\n                handle_message(msg)\n            last_poll = time.time()\n        \n        # Continue work\n        do_work()\n```\n\n### 패턴 3: 이벤트 기반 (웹훅과 함께)\n\n실시간 알림을 위해 웹훅 등록:\n\n```bash\ncurl -X POST https://synapse.schaefer.zone/webhooks \\\n  -H \"Authorization: Bearer $KEY\" \\\n  -d '{\n    \"url\": \"https://my-app.com/webhook\",\n    \"events\": \"chat.message_received\",\n    \"secret\": \"my-secret\"\n  }'\n```\n\n그러면 웹훅 핸들러가 에이전트를 깨울 수 있습니다:\n\n```python\n@app.post(\"/webhook\")\nasync def handle(request):\n    payload = await request.json()\n    if payload[\"event\"] == \"chat.message_received\":\n        # Wake up agent\n        await agent.wake_up()\n    return 200\n```\n\n## 메시지 처리 패턴\n\n### 패턴: 확인 후 처리\n\n```python\ndef handle_message(msg):\n    # Immediate acknowledgment\n    reply(f\"📖 Reading your message about: {msg['content'][:50]}...\")\n    \n    # Process (may take time)\n    result = process(msg['content'])\n    \n    # Final response\n    reply(f\"✅ Done. {result}\")\n```\n\n### 패턴: 배치 처리를 위한 큐잉\n\n```python\nmessage_queue = []\n\ndef poll_and_queue():\n    for msg in poll_messages():\n        message_queue.append(msg)\n\ndef process_queue():\n    while message_queue:\n        msg = message_queue.pop(0)\n        result = process(msg['content'])\n        reply(result)\n```\n\n### 패턴: 우선순위 라우팅\n\n```python\ndef handle_message(msg):\n    content = msg['content'].lower()\n    \n    if content.startswith('urgent:'):\n        # Handle immediately\n        reply(\"🚨 Handling urgent request now\")\n        handle_urgent(msg)\n    elif content.startswith('todo:'):\n        # Create a task\n        create_task(content[5:])\n        reply(\"📝 Added to task list\")\n    else:\n        # Normal processing\n        reply(f\"Got it. Will respond soon.\")\n        queue_for_processing(msg)\n```\n\n## 폴링 빈도\n\n| 사용 사례 | 빈도 |\n|----------|-----------|\n| 대화형 에이전트 (사람이 대기 중) | 5-10초마다 |\n| 백그라운드 에이전트 | 30-60초마다 |\n| 배치 처리 | 5분마다 |\n| 웹훅 트리거 | 폴링하지 마십시오 — 웹훅 사용 |\n\n> [!WARNING]\n> 5초당 한 번 이상 폴링하는 것은 API 호출을 낭비합니다. `/chat/poll`\n> 엔드포인트는 대기 중인 메시지가 있으면 즉시 반환하므로 더 빠른 폴링에\n> 이점이 없습니다.\n\n## 다중 에이전트 채팅\n\n에이전트 간 통신의 경우:\n\n```python\n# Agent A sends to shared mind chat\nreply(\"@agent-b: Can you review PR #42?\")\n\n# Agent B polls and responds\nfor msg in poll_messages():\n    if \"@agent-b\" in msg['content']:\n        reply(f\"@agent-a: Sure, looking at PR #42 now\")\n```\n\n## 모범 사례\n\n> [!TIP]\n> - **도구 호출 사이에 폴링** — 빡빡한 루프가 아님\n> - **즉시 확인** — 사람이 메시지를 받았는지 알 수 있음\n> - **비동기 처리** — 긴 작업에 차단하지 마십시오\n> - **실시간에 웹훅 사용** — 폴링에는 지연이 있음\n> - **5초당 한 번 이상 폴링하지 마십시오** — API 호출 낭비\n\n## 일반적인 문제\n\n### 메시지 누락\n\n- `/chat/poll`은 자동으로 메시지를 읽음으로 표시\n- 처리하지 않으면 사라짐\n- **해결:** 반환 전 항상 메시지 처리\n\n### 중복 응답\n\n- 핸들러가 충돌하면 두 번 응답할 수 있음\n- **해결:** 핸들러를 멱등으로 만들기 (이미 응답했는지 확인)\n\n### 느린 응답\n\n- 60초마다 폴링하면 최대 60초 지연\n- **해결:** 10-30초마다 폴링, 또는 웹훅 사용\n\n## 다음 단계\n\n- [Chat API](/docs/api/chat)\n- [세션 시작 패턴](/docs/llm-cookbook/session-start-pattern)\n- [오류 복구](/docs/llm-cookbook/error-recovery)\n","content_html":"<h1>채팅 폴링 패턴</h1>\n<p>채팅 시스템은 비동기식입니다 — 귀하가 작업하는 동안 사람이 메시지를 남길\n수 있습니다. 이 패턴은 워크플로우를 차단하지 않고 메시지를 폴링하는 방법을\n보여줍니다.</p>\n<h2>패턴</h2>\n<pre><code class=\"hljs language-plaintext\">Do work → Poll for messages → Reply → Continue work → Poll → ...</code></pre><p>빡빡한 루프가 아닌 도구 호출 사이에 폴링하십시오.</p>\n<h2>도구 호출 사이에 폴링하는 이유?</h2>\n<ul>\n<li><strong>차단하지 않음</strong> — 빡빡한 루프에서 폴링은 API 호출을 낭비</li>\n<li><strong>메시지 누락 방지</strong> — 너무 드물게 폴링하면 응답이 느림</li>\n<li><strong>적정 지점</strong> — 30-60초마다, 또는 각 도구 호출 후에 폴링</li>\n</ul>\n<h2>구현</h2>\n<h3>기본 폴링</h3>\n<pre><code class=\"hljs language-python\"><span class=\"hljs-keyword\">import</span> requests\n<span class=\"hljs-keyword\">import</span> time\n\nURL = <span class=\"hljs-string\">&quot;https://synapse.schaefer.zone&quot;</span>\nKEY = <span class=\"hljs-string\">&quot;mk_...&quot;</span>\nHEADERS = {<span class=\"hljs-string\">&quot;Authorization&quot;</span>: <span class=\"hljs-string\">f&quot;Bearer <span class=\"hljs-subst\">{KEY}</span>&quot;</span>}\n\n<span class=\"hljs-keyword\">def</span> <span class=\"hljs-title function_\">poll_messages</span>():\n    <span class=\"hljs-string\">&quot;&quot;&quot;Poll for new messages. Returns list of messages.&quot;&quot;&quot;</span>\n    r = requests.get(<span class=\"hljs-string\">f&quot;<span class=\"hljs-subst\">{URL}</span>/chat/poll&quot;</span>, headers=HEADERS)\n    <span class=\"hljs-keyword\">return</span> r.json().get(<span class=\"hljs-string\">&quot;messages&quot;</span>, [])\n\n<span class=\"hljs-keyword\">def</span> <span class=\"hljs-title function_\">reply</span>(<span class=\"hljs-params\">content</span>):\n    <span class=\"hljs-string\">&quot;&quot;&quot;Reply to a message.&quot;&quot;&quot;</span>\n    requests.post(<span class=\"hljs-string\">f&quot;<span class=\"hljs-subst\">{URL}</span>/chat/reply&quot;</span>,\n        headers={**HEADERS, <span class=\"hljs-string\">&quot;Content-Type&quot;</span>: <span class=\"hljs-string\">&quot;application/json&quot;</span>},\n        json={<span class=\"hljs-string\">&quot;content&quot;</span>: content}\n    )</code></pre><h3>패턴 1: 각 도구 호출 후 폴링</h3>\n<pre><code class=\"hljs language-python\"><span class=\"hljs-keyword\">def</span> <span class=\"hljs-title function_\">agent_loop</span>():\n    <span class=\"hljs-keyword\">while</span> working:\n        <span class=\"hljs-comment\"># Do one unit of work</span>\n        result = do_one_tool_call()\n        \n        <span class=\"hljs-comment\"># Poll for messages</span>\n        <span class=\"hljs-keyword\">for</span> msg <span class=\"hljs-keyword\">in</span> poll_messages():\n            <span class=\"hljs-built_in\">print</span>(<span class=\"hljs-string\">f&quot;Human: <span class=\"hljs-subst\">{msg[<span class=\"hljs-string\">&#x27;content&#x27;</span>]}</span>&quot;</span>)\n            handle_message(msg)\n        \n        <span class=\"hljs-comment\"># Continue work</span>\n        continue_work()\n\n<span class=\"hljs-keyword\">def</span> <span class=\"hljs-title function_\">handle_message</span>(<span class=\"hljs-params\">msg</span>):\n    <span class=\"hljs-comment\"># Acknowledge</span>\n    reply(<span class=\"hljs-string\">f&quot;Got your message: &#x27;<span class=\"hljs-subst\">{msg[<span class=\"hljs-string\">&#x27;content&#x27;</span>][:<span class=\"hljs-number\">50</span>]}</span>...&#x27;. Working on it.&quot;</span>)\n    \n    <span class=\"hljs-comment\"># Process</span>\n    response = process_message(msg[<span class=\"hljs-string\">&#x27;content&#x27;</span>])\n    \n    <span class=\"hljs-comment\"># Reply with result</span>\n    reply(response)</code></pre><h3>패턴 2: 시간 기반 폴링</h3>\n<pre><code class=\"hljs language-python\"><span class=\"hljs-keyword\">def</span> <span class=\"hljs-title function_\">agent_loop_with_timer</span>():\n    last_poll = <span class=\"hljs-number\">0</span>\n    \n    <span class=\"hljs-keyword\">while</span> working:\n        <span class=\"hljs-comment\"># Poll every 30 seconds</span>\n        <span class=\"hljs-keyword\">if</span> time.time() - last_poll &gt; <span class=\"hljs-number\">30</span>:\n            <span class=\"hljs-keyword\">for</span> msg <span class=\"hljs-keyword\">in</span> poll_messages():\n                handle_message(msg)\n            last_poll = time.time()\n        \n        <span class=\"hljs-comment\"># Continue work</span>\n        do_work()</code></pre><h3>패턴 3: 이벤트 기반 (웹훅과 함께)</h3>\n<p>실시간 알림을 위해 웹훅 등록:</p>\n<pre><code class=\"hljs language-bash\">curl -X POST https://synapse.schaefer.zone/webhooks \\\n  -H <span class=\"hljs-string\">&quot;Authorization: Bearer <span class=\"hljs-variable\">$KEY</span>&quot;</span> \\\n  -d <span class=\"hljs-string\">&#x27;{\n    &quot;url&quot;: &quot;https://my-app.com/webhook&quot;,\n    &quot;events&quot;: &quot;chat.message_received&quot;,\n    &quot;secret&quot;: &quot;my-secret&quot;\n  }&#x27;</span></code></pre><p>그러면 웹훅 핸들러가 에이전트를 깨울 수 있습니다:</p>\n<pre><code class=\"hljs language-python\"><span class=\"hljs-meta\">@app.post(<span class=\"hljs-params\"><span class=\"hljs-string\">&quot;/webhook&quot;</span></span>)</span>\n<span class=\"hljs-keyword\">async</span> <span class=\"hljs-keyword\">def</span> <span class=\"hljs-title function_\">handle</span>(<span class=\"hljs-params\">request</span>):\n    payload = <span class=\"hljs-keyword\">await</span> request.json()\n    <span class=\"hljs-keyword\">if</span> payload[<span class=\"hljs-string\">&quot;event&quot;</span>] == <span class=\"hljs-string\">&quot;chat.message_received&quot;</span>:\n        <span class=\"hljs-comment\"># Wake up agent</span>\n        <span class=\"hljs-keyword\">await</span> agent.wake_up()\n    <span class=\"hljs-keyword\">return</span> <span class=\"hljs-number\">200</span></code></pre><h2>메시지 처리 패턴</h2>\n<h3>패턴: 확인 후 처리</h3>\n<pre><code class=\"hljs language-python\"><span class=\"hljs-keyword\">def</span> <span class=\"hljs-title function_\">handle_message</span>(<span class=\"hljs-params\">msg</span>):\n    <span class=\"hljs-comment\"># Immediate acknowledgment</span>\n    reply(<span class=\"hljs-string\">f&quot;📖 Reading your message about: <span class=\"hljs-subst\">{msg[<span class=\"hljs-string\">&#x27;content&#x27;</span>][:<span class=\"hljs-number\">50</span>]}</span>...&quot;</span>)\n    \n    <span class=\"hljs-comment\"># Process (may take time)</span>\n    result = process(msg[<span class=\"hljs-string\">&#x27;content&#x27;</span>])\n    \n    <span class=\"hljs-comment\"># Final response</span>\n    reply(<span class=\"hljs-string\">f&quot;✅ Done. <span class=\"hljs-subst\">{result}</span>&quot;</span>)</code></pre><h3>패턴: 배치 처리를 위한 큐잉</h3>\n<pre><code class=\"hljs language-python\">message_queue = []\n\n<span class=\"hljs-keyword\">def</span> <span class=\"hljs-title function_\">poll_and_queue</span>():\n    <span class=\"hljs-keyword\">for</span> msg <span class=\"hljs-keyword\">in</span> poll_messages():\n        message_queue.append(msg)\n\n<span class=\"hljs-keyword\">def</span> <span class=\"hljs-title function_\">process_queue</span>():\n    <span class=\"hljs-keyword\">while</span> message_queue:\n        msg = message_queue.pop(<span class=\"hljs-number\">0</span>)\n        result = process(msg[<span class=\"hljs-string\">&#x27;content&#x27;</span>])\n        reply(result)</code></pre><h3>패턴: 우선순위 라우팅</h3>\n<pre><code class=\"hljs language-python\"><span class=\"hljs-keyword\">def</span> <span class=\"hljs-title function_\">handle_message</span>(<span class=\"hljs-params\">msg</span>):\n    content = msg[<span class=\"hljs-string\">&#x27;content&#x27;</span>].lower()\n    \n    <span class=\"hljs-keyword\">if</span> content.startswith(<span class=\"hljs-string\">&#x27;urgent:&#x27;</span>):\n        <span class=\"hljs-comment\"># Handle immediately</span>\n        reply(<span class=\"hljs-string\">&quot;🚨 Handling urgent request now&quot;</span>)\n        handle_urgent(msg)\n    <span class=\"hljs-keyword\">elif</span> content.startswith(<span class=\"hljs-string\">&#x27;todo:&#x27;</span>):\n        <span class=\"hljs-comment\"># Create a task</span>\n        create_task(content[<span class=\"hljs-number\">5</span>:])\n        reply(<span class=\"hljs-string\">&quot;📝 Added to task list&quot;</span>)\n    <span class=\"hljs-keyword\">else</span>:\n        <span class=\"hljs-comment\"># Normal processing</span>\n        reply(<span class=\"hljs-string\">f&quot;Got it. Will respond soon.&quot;</span>)\n        queue_for_processing(msg)</code></pre><h2>폴링 빈도</h2>\n<table>\n<thead>\n<tr>\n<th>사용 사례</th>\n<th>빈도</th>\n</tr>\n</thead>\n<tbody><tr>\n<td>대화형 에이전트 (사람이 대기 중)</td>\n<td>5-10초마다</td>\n</tr>\n<tr>\n<td>백그라운드 에이전트</td>\n<td>30-60초마다</td>\n</tr>\n<tr>\n<td>배치 처리</td>\n<td>5분마다</td>\n</tr>\n<tr>\n<td>웹훅 트리거</td>\n<td>폴링하지 마십시오 — 웹훅 사용</td>\n</tr>\n</tbody></table>\n<div class=\"callout callout-warn\">5초당 한 번 이상 폴링하는 것은 API 호출을 낭비합니다. `/chat/poll`\n엔드포인트는 대기 중인 메시지가 있으면 즉시 반환하므로 더 빠른 폴링에\n이점이 없습니다.</div><h2>다중 에이전트 채팅</h2>\n<p>에이전트 간 통신의 경우:</p>\n<pre><code class=\"hljs language-python\"><span class=\"hljs-comment\"># Agent A sends to shared mind chat</span>\nreply(<span class=\"hljs-string\">&quot;@agent-b: Can you review PR #42?&quot;</span>)\n\n<span class=\"hljs-comment\"># Agent B polls and responds</span>\n<span class=\"hljs-keyword\">for</span> msg <span class=\"hljs-keyword\">in</span> poll_messages():\n    <span class=\"hljs-keyword\">if</span> <span class=\"hljs-string\">&quot;@agent-b&quot;</span> <span class=\"hljs-keyword\">in</span> msg[<span class=\"hljs-string\">&#x27;content&#x27;</span>]:\n        reply(<span class=\"hljs-string\">f&quot;@agent-a: Sure, looking at PR #42 now&quot;</span>)</code></pre><h2>모범 사례</h2>\n<div class=\"callout callout-ok\"></div><h2>일반적인 문제</h2>\n<h3>메시지 누락</h3>\n<ul>\n<li><code>/chat/poll</code>은 자동으로 메시지를 읽음으로 표시</li>\n<li>처리하지 않으면 사라짐</li>\n<li><strong>해결:</strong> 반환 전 항상 메시지 처리</li>\n</ul>\n<h3>중복 응답</h3>\n<ul>\n<li>핸들러가 충돌하면 두 번 응답할 수 있음</li>\n<li><strong>해결:</strong> 핸들러를 멱등으로 만들기 (이미 응답했는지 확인)</li>\n</ul>\n<h3>느린 응답</h3>\n<ul>\n<li>60초마다 폴링하면 최대 60초 지연</li>\n<li><strong>해결:</strong> 10-30초마다 폴링, 또는 웹훅 사용</li>\n</ul>\n<h2>다음 단계</h2>\n<ul>\n<li><a href=\"/docs/api/chat\">Chat API</a></li>\n<li><a href=\"/docs/llm-cookbook/session-start-pattern\">세션 시작 패턴</a></li>\n<li><a href=\"/docs/llm-cookbook/error-recovery\">오류 복구</a></li>\n</ul>\n","urls":{"html":"/docs/llm-cookbook/chat-polling-pattern","text":"/docs/llm-cookbook/chat-polling-pattern?format=text","json":"/docs/llm-cookbook/chat-polling-pattern?format=json","llm":"/docs/llm-cookbook/chat-polling-pattern?format=llm"},"translations_available":["en","zh","hi","es","fr","ar","pt","ru","ja","de","it","ko","nl","pl","tr","sv","vi","th","id","uk"]}